(1.7)
:
:
>> Wn=a.^2; E=sum(Wn); WnE= Wn/E; SWnE=cumsum(Wn)/E;
>> [n; Wn; WnE; SWnE]
1.1.
1.1 - (W n 1e-4 2)
n | |||||||||
W n | .4752 | .3800 | .0950 | .0038 | .0038 | .0050 | .0005 | .0005 | .0009 |
W n/ E | .2747 | .4419 | .2196 | .0549 | .0022 | .0022 | .0029 | .0003 | .0003 |
S W n/ E | .2747 | .7166 | .9362 | .9911 | .9933 | .9955 | .9984 | .9987 | .9989 |
1.6 ( plot(n,SWnE)).
0.9 n 1=2, 0.99 n 2=3. (1.5) ().
n1 = 10. 256 . , 1.7, . - , 1.1 (1.5) n1 = 10 0.05%.
.1.6 -
Um=2; Uo=1;T=1;
t = linspace(0,1,256);
s = cosinobn1(t, Um, T, Uo);
Sn = a(1);
for i=2:11; c = a(i)*cos(2*pi*n(i)*t/T); Sn = Sn+c; end
1.7 - (n = 10)